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/*
 * Copyright 2012-2013 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.joshworks.snappy.loader;

import io.joshworks.snappy.loader.archive.Archive;
import io.joshworks.snappy.loader.util.AsciiBytes;

/**
 * {@link Launcher} for WAR based archives. This launcher for standard WAR archives.
 * Supports dependencies in {@code WEB-INF/lib} as well as {@code WEB-INF/lib-provided},
 * classes are loaded from {@code WEB-INF/classes}.
 *
 * @author Phillip Webb
 * @author Andy Wilkinson
 */
public class WarLauncher extends ExecutableArchiveLauncher {

    private static final AsciiBytes WEB_INF = new AsciiBytes("WEB-INF/");

    private static final AsciiBytes WEB_INF_CLASSES = WEB_INF.append("classes/");

    private static final AsciiBytes WEB_INF_LIB = WEB_INF.append("lib/");

    private static final AsciiBytes WEB_INF_LIB_PROVIDED = WEB_INF
            .append("lib-provided/");

    public WarLauncher() {
        super();
    }

    protected WarLauncher(Archive archive) {
        super(archive);
    }

    public static void main(String[] args) {
        new WarLauncher().launch(args);
    }

    @Override
    public boolean isNestedArchive(Archive.Entry entry) {
        if (entry.isDirectory()) {
            return entry.getName().equals(WEB_INF_CLASSES);
        } else {
            return entry.getName().startsWith(WEB_INF_LIB)
                    || entry.getName().startsWith(WEB_INF_LIB_PROVIDED);
        }
    }

}